Boston Red Sox vs Seattle Mariners | June 20, 2026

FINAL June 20, 2026 • MLB Ballpark

Boston Red Sox 👑

Seattle Mariners

MLB PREVIEW • June 20, 2026 Featured Matchup

MLB Matchup: Boston Red Sox travels to play Seattle Mariners at MLB Ballpark.

Boston Red Sox

Visiting Side

Seattle Mariners

Home Side

Team Matchup Analysis Tale of the Tape

Circled Game Matchup Projection

32%

Boston Red Sox

68%

Seattle Mariners

Projected Score BOS 2.4 - SEA 6.9

Data Confidence High

Data Used 5 of 6 categories

Boston Red Sox has a better road record than Seattle Mariners's home record.
Seattle Mariners boasts a more productive batting lineup.
Seattle Mariners has the lower team ERA and stronger pitching.

Boston Red Sox

STAT

Seattle Mariners

53.7% Win % 46.9%

87-75 Overall Record 76-86

41-40 Home Record 43-38

46-35 Away Record 33-48

1.00 Runs / G 4.10

.117 Team BA .233

.409 Team OPS .693

10.13 Team ERA 4.20

2.13 WHIP 1.27

60 AB (At Bats) 5385

2 R (Runs) 664

7 H (Hits) 1253

2 2B (Doubles) 206

0 3B (Triples) 18

2 HR (Home Runs) 182

2 RBI (Runs Batted In) 638

15 TB (Total Bases) 2041

3 BB (Walks) 557

19 SO (Strikeouts) 1400

0 SB (Stolen Bases) 114

.117 AVG .233

.159 OBP .314

.250 SLG .379

.409 OPS .693

1.0 RC (Runs Created) 656.8

.048 BB/PA .091

0.16 BB/K 0.40

4.57 P/PA 3.91

4 XBH (Extra Base Hits) 406

63 PA (Plate Appearances) 6089

30.0 AB/HR 29.6

10.13 ERA 4.20

2.13 WHIP 1.27

16.0 IP (Innings) 1430.1

26 H (Hits Allowed) 1372

18 ER (Earned Runs) 668

4 HR (HR Allowed) 194

8 BB (Walks Allowed) 441

14 K (Strikeouts) 1392

7.9 K/9 (K Per 9) 8.8

0 W (Wins) 76

2 L (Losses) 86

0 SV (Saves) 35

0.984 FP (Fielding %) 0.985

1 E (Errors) 88

7 DP (Double Plays) 206

62 TC (Total Chances) 5711

48 PO (Putouts) 4291

13 A (Assists) 1332

3.8 RF (Range Factor) 35.4

Situational Context Environment

Venue Advantage Host Seattle Mariners plays on familiar turf at MLB Ballpark.

Conditions Conditions: Dome/Indoor

🎯

Circled Game Takeaway

Circled Game Analytical Outlook

Why Boston Red Sox Could Win

Boston Red Sox brings a Team ERA of 10.13 and Batting Average of .117 into the matchup.

Why Seattle Mariners Could Win

Seattle Mariners counters with a Team ERA of 4.20 and Batting Average of .233.

Deciding Factor

The deciding factor will be if Seattle Mariners's superior pitching can dominate the matchup.

Game Details

MLB Ballpark

Dome/Indoor

Attendance

N/A

Closing Odds

Line: NL | O/U: TBD

Pitching & Leaders

🤷

Roster Information Unavailable

Player leaders will be available shortly.

Consensus Pool

Circle Crowd Pick Meter

Closed Poll

Boston Red Sox (9.7%) Seattle Mariners (90.3%)

Total Submissions: 0 circles

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